Key Biscayne, FL 00791 Frost Dates
00791, near Key Biscayne, FL: the frost window
The NOAA station nearest to 00791 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 13a (60 to 65°F average annual minimum).
Key Biscayne against the rest of the dataset
Key Biscayne's growing season runs about 365 days, ranking 1,562 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 603 of 1,609.
Learn more
Two guides worth reading on 00791: local microclimates, on what one yard in Key Biscayne can differ from the 00791 normal, and the methodology, on exactly which NOAA and USDA figures feed 00791's numbers.